Non-state actor. Non-state actors (NSA) are entities that participate or act in international relations. They are organizations with sufficient power to influence and cause a change even though they do not belong to any established institution of a state.
These two would be on the more expensive end of the price spectrum. The cheaper options of purchasing bluefin tuna would be buying a bag of frozen fillets or buying a can of tuna meat that has been cut into chunks. On average, plan on spending anywhere from $15 to $45 per pound at a local fresh fish market.
The Guinness World Records' record for the Most expensive tuna fish was set by a single blue-fin tuna (Thunnus thynnus) weighing 342 kg (754 lb); it was sold at an auction in the Tsukji fish market in Tokyo, Japan, on 5 January 2011, where it raised 34.49 million Yen ($420,000 or Â£270,000).